CVEvulnerability

CVE-2023-5770

5.4 MEDIUM Published 2024-01-09 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2024-01-09
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS 3.1 ([email protected])
5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Weaknesses
CWE-838

Description

Proofpoint Enterprise Protection contains a vulnerability in the email delivery agent that allows an unauthenticated attacker to inject improperly encoded HTML into the email body of a message through the email subject. The vulnerability is caused by inappropriate encoding when rewriting the email before delivery.This issue affects Proofpoint Enterprise Protection: from 8.20.2 before patch 4809, from 8.20.0 before patch 4805, from 8.18.6 before patch 4804 and all other prior versions.

Affected configurations

• proofpoint enterprise protection 8.18.6 • proofpoint enterprise protection 8.20.0 • proofpoint enterprise protection 8.20.2

Related

Weakness · CWE (1)

  • CWE-838 Inappropriate Encoding for Output Context weakness

References